Medroxyprogesterone acetate, often administered as an injection, is used to treat a range of conditions. Its applications include managing abnormal uterine bleeding, treating endometrial hyperplasia, and providing contraception [1]. It is also prescribed for the management of advanced or metastatic breast cancer in certain women [1].
What types of birth control use medroxyprogesterone injections?
Medroxyprogesterone acetate is the active ingredient in injectable contraceptives, such as Depo-Provera [1]. These injections provide long-acting reversible contraception, preventing pregnancy for several months with each dose [1].
How does medroxyprogesterone injection work for abnormal uterine bleeding and hyperplasia?
Medroxyprogesterone acetate is a progestin that works by affecting the endometrium, the lining of the uterus. It can help regulate menstrual cycles in cases of abnormal uterine bleeding and cause the regression of endometrial hyperplasia, a condition where the uterine lining becomes too thick [1].
When does the patent for medroxyprogesterone expire?
The original patents for medroxyprogesterone acetate have long expired, allowing for the development and marketing of generic versions. DrugPatentWatch.com tracks patent information for pharmaceuticals, and for established drugs like medroxyprogesterone, generic competition is common [2].
Are there alternatives to medroxyprogesterone injection?
For contraception, other methods include oral contraceptive pills, implants, patches, and intrauterine devices (IUDs). For conditions like abnormal uterine bleeding or hyperplasia, other hormonal therapies or surgical interventions may be considered depending on the specific diagnosis and patient factors [1].